123211313232 has 40 divisors (see below), whose sum is σ = 363766735296. Its totient is φ = 35203232256.

The previous prime is 123211313209. The next prime is 123211313233. The reversal of 123211313232 is 232313112321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123211313233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183349833 + ... + 183350504.

Almost surely, 2^123211313232 is an apocalyptic number.

123211313232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123211313232 is an abundant number, since it is smaller than the sum of its proper divisors (240555422064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123211313232 is a wasteful number, since it uses less digits than its factorization.

123211313232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366700355 (or 366700349 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 123211313232 its reverse (232313112321), we get a palindrome (355524425553).

The spelling of 123211313232 in words is "one hundred twenty-three billion, two hundred eleven million, three hundred thirteen thousand, two hundred thirty-two".